Gary Hirshberg

Co-Founder & Chief Organic Optimist of Stonyfield Farm

Jim Lucas

Portrays the life and times of Dr. Martin Luther King, Jr.

Jim Whitehurst

Former President of IBM & CEO of Red Hat

Tiffany Shlain

Founder of The Webby Awards; Emmy-Nominated Filmmaker, Bestselling Author, Internet Pioneer & Futurist

Madeline Levine

Psychologist, Bestselling Author, Co-founder of Challenge Success

Lizzie Velasquez

Motivational Speaker; Author of "Lizzie Beautiful" & "Be Beautiful, Be You;" Once Labeled "The World's Ugliest Woman"

Stacey Bess

Award-Winning Educator; Keynote Speaker; Advocate for Homeless Youth

Planting More Than Pansies: A Fable About Love

Josh Klein

Hacker & Author of "Hacking Work"

Joshua Klein: Invest in Your Network & Your Network Will Invest

George P. Bush

Politician & Land Commissioner of Texas

Tom Ashbrook

Former Host of NPR's "On Point"

Rye Barcott

U.S. Marine Veteran, Social Entrepreneur, Author

Shirin Ebadi

Nobel Peace Prize-Winning Iranian Activist & Lawyer; Founder of the Defenders of Human Rights Center in Iran

Isiah Whitlock, Jr.

American actor

Dr. Marc Lamont Hill

Presidential Professor at CUNY Graduate Center, BET News Correspondent, Human Rights Activist & Author

Mariane Pearl

Widow of Journalist Daniel Pearl

Ethan Zohn

Winner of "Survivor" Africa, 2x Cancer Survivor, Stem Cell Transplant Recipient, Social Entrepreneur, Philanthropist, Cancer Research Advocate, Former Pro Soccer Player, Sports Broadcaster & TV Personality

David Remnick

Editor, The New Yorker

Bakari Sellers

Author, Attorney, Political Commentator, Health & Education Advocate; Youngest African American Elected Official in the U.S.

Bakari Sellers - PBS/"Frontline"

Ainissa Ramirez

Award-Winning Scientist, STEM Advocate & Science Communicator; Author; Advocate for Science Education

Creating equitable standards for federal use of facial recognition ...

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate